Grab a large saucepan or frying pan and heat the oil on a medium heat
Add the finely chopped onion and fry until softened
Add the red pepper, garlic, curry powder, cumin, coriander, and cayenne pepper and fry for a couple of minutes
Add the chopped tomatoes, coconut milk, chickpeas and lentils and mix
Simmer for 15-20 minutes until the chickpeas and lentils have softened
Add the frozen spinach, lemon juice and season with salt and pepper to your liking
Simmer for a further few minutes until ready to serve
